"Reply and Approve" should approve parent comment first

[nacin]

"Reply and Approve" should approve parent comment first. If you receive a stream of updates (emails, jabber, etc.), you'd end up with the comments out of order.

Fairly simple fix — take the block in wp_ajax_replyto_comment() that starts with "automatically approve parent comment" and move it above the wp_new_comment() call.

If for some reason wp_new_comment() fails (as we account for currently, minimally), we should probably just let the parent comment stand as approved, no need to try to revert.

[nacin]

In 22370:

When approving and then replying to a comment, approve the parent comment before inserting the reply. props trepmal, fixes #22000.